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ertech ertech is offline
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Join Date: Jun 2009
Posts: 687
You need a vacuum switch ,a rpm switch .this is how it works
You program the rpm switch to open the solinoid at a certain rpm. At that rpm it will let the vacuum reach WUR so it can richer the mixture
From stock the WUR ritchens way to early
Hope this helps
vacuum solenoid porsche 930 - Google Search
Old 07-22-2014, 05:14 AM
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